Changing head gasket 2001 pontiac montana?

What is it that you want to know about the head gasket. If you didn%26#039;t run it to hot to warp the head ,they can replace the head gasket and it should be good to go.|||have you tried a chemical sealant? if a minor leak there are sealants sold to address this problem. this will work half the time. if repair is needed it is quite difficult and may require a professional|||what about changing the head gasket? what do you want to know?